2021 RAM 1500 electrical system problems
197 owner complaints filed with NHTSA name the electrical system on the 2021 RAM 1500 — 29% of all complaints for this model year.
What owners report
“I am writing to express my concern about vehicle warranty coverage being provided by RAM (Stellantis NA) on their vehicles. I have a 2021 Ram 1500 which has a motor generator unit (MGU) which has failed due to a defect with the bearings. This has been diagnosed by the dealership and identified as…”
filed Sep 16, 2026
“The contact owns a 2021 Ram 1500. The contact stated that while attempting to start the vehicle, the instrument panel lights illuminated but the vehicle failed to start. The battery was replaced but the failure persisted. The vehicle was towed to the local dealer, who diagnosed that the RF Hub had…”
filed Sep 2, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Motor - window regulator
114072 · Service Bulletin/Repair Instructions · issued Aug 17, 2026Motor - window regulator
114073 · Service Bulletin/Repair Instructions · issued Aug 17, 2026Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park
S2608000033 · Service Bulletin/Repair Instructions · issued Jul 17, 2026SWITCH – HEADLAMP
113069 · Service Bulletin/Repair Instructions · issued Jun 29, 2026
Electrical System problems in other 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 1500 | 45 | 49% |
| 2025 1500 | 177 | 51% |
| 2024 1500 | 28 | 39% |
| 2023 1500 | 67 | 34% |
| 2022 1500 | 187 | 31% |
| 2020 1500 | 160 | 26% |
| 2019 1500 | 379 | 26% |
| 2018 1500 | 159 | 24% |
| 2017 1500 | 109 | 13% |
| 2016 1500 | 192 | 12% |
| 2015 1500 | 157 | 11% |
| 2014 1500 | 244 | 14% |
Other reported problem areas on the 2021 RAM 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.